ABAP Select data from SAP table BAPI_ISSR_ASSET into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPI_ISSR_ASSET table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to BAPI_ISSR_ASSET. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the BAPI_ISSR_ASSET table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_BAPI_ISSR_ASSET TYPE STANDARD TABLE OF BAPI_ISSR_ASSET,
      WA_BAPI_ISSR_ASSET TYPE BAPI_ISSR_ASSET,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <BAPI_ISSR_ASSET> TYPE BAPI_ISSR_ASSET.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BAPI_ISSR_ASSET.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BAPI_ISSR_ASSET
  INTO TABLE IT_BAPI_ISSR_ASSET.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI_ISSR_ASSET
*  INTO TABLE @DATA(IT_BAPI_ISSR_ASSET2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_BAPI_ISSR_ASSET INDEX 1 INTO DATA(WA_BAPI_ISSR_ASSET2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BAPI_ISSR_ASSET ASSIGNING <BAPI_ISSR_ASSET>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI_ISSR_ASSET>-COUNTRY_VAR = 1.
<BAPI_ISSR_ASSET>-COMP_CODE = 1.
<BAPI_ISSR_ASSET>-PRODUCT_CATEGORY = 1.
<BAPI_ISSR_ASSET>-PRODUCT_TYPE = 1.
<BAPI_ISSR_ASSET>-ASSET_NO = 1.

ENDLOOP.

LOOP AT IT_BAPI_ISSR_ASSET INTO WA_BAPI_ISSR_ASSET.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI_ISSR_ASSET-SEC_ACCOUNT, sy-vline,
  WA_BAPI_ISSR_ASSET-ACCOUNT_GRP, sy-vline,
  WA_BAPI_ISSR_ASSET-PSTNG_DATE, sy-vline,
  WA_BAPI_ISSR_ASSET-DIVISION, sy-vline,
  WA_BAPI_ISSR_ASSET-CAPITALID_SR, sy-vline,
  WA_BAPI_ISSR_ASSET-CAPITALID_TAX_OFFICE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI_ISSR_ASSET you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_BAPI_ISSR_ASSET TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_BAPI_ISSR_ASSET INTO WA_BAPI_ISSR_ASSET.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field ASSET_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_ISSR_ASSET-ASSET_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_ISSR_ASSET-ASSET_NO.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_BAPI_ISSR_ASSET_STR, 
COUNTRY_VAR TYPE STRING,
COMP_CODE TYPE STRING,
PRODUCT_CATEGORY TYPE STRING,
PRODUCT_TYPE TYPE STRING,
ASSET_NO TYPE STRING,
SEC_ACCOUNT TYPE STRING,
ACCOUNT_GRP TYPE STRING,
PSTNG_DATE TYPE STRING,
DIVISION TYPE STRING,
CAPITALID_SR TYPE STRING,
CAPITALID_TAX_OFFICE TYPE STRING,
CAPITAL_REG TYPE STRING,
CAPITAL_REG_SDIV TYPE STRING,
INVESTM_TYPE TYPE STRING,
CERTIFICATE_101 TYPE STRING,
CERTIFICATE_102 TYPE STRING,
CERTIFICATE_201 TYPE STRING,
CERTIFICATE_600 TYPE STRING,
CERTIFICATE_670 TYPE STRING,
CERTIFICATE_671 TYPE STRING,
ID_R59703 TYPE STRING,
ID_R59704 TYPE STRING,
ID_R59705 TYPE STRING,
ID_R59706 TYPE STRING,
ID_R59708 TYPE STRING,
ID_R59710_1 TYPE STRING,
ID_R59710_2 TYPE STRING,
ID_R59710_3 TYPE STRING,
ID_R59710_4 TYPE STRING,
ACCEPTED_VAL TYPE STRING,
ACCEPTED_VAL_CURR TYPE STRING,
MARKET_VAL TYPE STRING,
MARKET_VAL_CURR TYPE STRING,
COVER_PROV_CURR TYPE STRING,
APPROVAL_FILE_NO TYPE STRING,
APPROVAL_DATE TYPE STRING,
ACCEPTED_VAL_DATE TYPE STRING,
ACCEPTED_VAL_FILE_NO TYPE STRING,
COUNTRY_OF_SITUS TYPE STRING,
LOCATION_OF_SITUS TYPE STRING,
FUNDS_CALC TYPE STRING,
IDENT_NO TYPE STRING,
IDENT_HNO TYPE STRING,
DESCRIPTION TYPE STRING,
MASTER_REC_KEY TYPE STRING,
FLG_SECONDARY TYPE STRING,
SL_ID_CHANGEONLY TYPE STRING,
ID_INVESTMENT TYPE STRING,
ASSET_TYPE TYPE STRING,
USE_DEFAULT_FVAL TYPE STRING,
PORTFOLIO TYPE STRING,
DIFFKEY TYPE STRING,
LOT_ID TYPE STRING,
PURPOSE TYPE STRING,
SUBJECT TYPE STRING,
CERTIFICATE_103 TYPE STRING,
CERTIFICATE_674 TYPE STRING,
CAPITAL_RES_SDIV TYPE STRING,
ATTRIBUTE_LI01 TYPE STRING,
ATTRIBUTE_LI02 TYPE STRING,
ATTRIBUTE_LI03 TYPE STRING,
ATTRIBUTE_LI04 TYPE STRING,
ATTRIBUTE_LI05 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI_ISSR_ASSET_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_BAPI_ISSR_ASSET_STR-COUNTRY_VAR sy-vline 
WA_BAPI_ISSR_ASSET_STR-COMP_CODE sy-vline 
WA_BAPI_ISSR_ASSET_STR-PRODUCT_CATEGORY sy-vline 
WA_BAPI_ISSR_ASSET_STR-PRODUCT_TYPE sy-vline 
WA_BAPI_ISSR_ASSET_STR-ASSET_NO sy-vline 
WA_BAPI_ISSR_ASSET_STR-SEC_ACCOUNT sy-vline 
WA_BAPI_ISSR_ASSET_STR-ACCOUNT_GRP sy-vline 
WA_BAPI_ISSR_ASSET_STR-PSTNG_DATE sy-vline 
WA_BAPI_ISSR_ASSET_STR-DIVISION sy-vline 
WA_BAPI_ISSR_ASSET_STR-CAPITALID_SR sy-vline 
WA_BAPI_ISSR_ASSET_STR-CAPITALID_TAX_OFFICE sy-vline 
WA_BAPI_ISSR_ASSET_STR-CAPITAL_REG sy-vline 
WA_BAPI_ISSR_ASSET_STR-CAPITAL_REG_SDIV sy-vline 
WA_BAPI_ISSR_ASSET_STR-INVESTM_TYPE sy-vline 
WA_BAPI_ISSR_ASSET_STR-CERTIFICATE_101 sy-vline 
WA_BAPI_ISSR_ASSET_STR-CERTIFICATE_102 sy-vline 
WA_BAPI_ISSR_ASSET_STR-CERTIFICATE_201 sy-vline 
WA_BAPI_ISSR_ASSET_STR-CERTIFICATE_600 sy-vline 
WA_BAPI_ISSR_ASSET_STR-CERTIFICATE_670 sy-vline 
WA_BAPI_ISSR_ASSET_STR-CERTIFICATE_671 sy-vline 
WA_BAPI_ISSR_ASSET_STR-ID_R59703 sy-vline 
WA_BAPI_ISSR_ASSET_STR-ID_R59704 sy-vline 
WA_BAPI_ISSR_ASSET_STR-ID_R59705 sy-vline 
WA_BAPI_ISSR_ASSET_STR-ID_R59706 sy-vline 
WA_BAPI_ISSR_ASSET_STR-ID_R59708 sy-vline 
WA_BAPI_ISSR_ASSET_STR-ID_R59710_1 sy-vline 
WA_BAPI_ISSR_ASSET_STR-ID_R59710_2 sy-vline 
WA_BAPI_ISSR_ASSET_STR-ID_R59710_3 sy-vline 
WA_BAPI_ISSR_ASSET_STR-ID_R59710_4 sy-vline 
WA_BAPI_ISSR_ASSET_STR-ACCEPTED_VAL sy-vline 
WA_BAPI_ISSR_ASSET_STR-ACCEPTED_VAL_CURR sy-vline 
WA_BAPI_ISSR_ASSET_STR-MARKET_VAL sy-vline 
WA_BAPI_ISSR_ASSET_STR-MARKET_VAL_CURR sy-vline 
WA_BAPI_ISSR_ASSET_STR-COVER_PROV_CURR sy-vline 
WA_BAPI_ISSR_ASSET_STR-APPROVAL_FILE_NO sy-vline 
WA_BAPI_ISSR_ASSET_STR-APPROVAL_DATE sy-vline 
WA_BAPI_ISSR_ASSET_STR-ACCEPTED_VAL_DATE sy-vline 
WA_BAPI_ISSR_ASSET_STR-ACCEPTED_VAL_FILE_NO sy-vline 
WA_BAPI_ISSR_ASSET_STR-COUNTRY_OF_SITUS sy-vline 
WA_BAPI_ISSR_ASSET_STR-LOCATION_OF_SITUS sy-vline 
WA_BAPI_ISSR_ASSET_STR-FUNDS_CALC sy-vline 
WA_BAPI_ISSR_ASSET_STR-IDENT_NO sy-vline 
WA_BAPI_ISSR_ASSET_STR-IDENT_HNO sy-vline 
WA_BAPI_ISSR_ASSET_STR-DESCRIPTION sy-vline 
WA_BAPI_ISSR_ASSET_STR-MASTER_REC_KEY sy-vline 
WA_BAPI_ISSR_ASSET_STR-FLG_SECONDARY sy-vline 
WA_BAPI_ISSR_ASSET_STR-SL_ID_CHANGEONLY sy-vline 
WA_BAPI_ISSR_ASSET_STR-ID_INVESTMENT sy-vline 
WA_BAPI_ISSR_ASSET_STR-ASSET_TYPE sy-vline 
WA_BAPI_ISSR_ASSET_STR-USE_DEFAULT_FVAL sy-vline 
WA_BAPI_ISSR_ASSET_STR-PORTFOLIO sy-vline 
WA_BAPI_ISSR_ASSET_STR-DIFFKEY sy-vline 
WA_BAPI_ISSR_ASSET_STR-LOT_ID sy-vline 
WA_BAPI_ISSR_ASSET_STR-PURPOSE sy-vline 
WA_BAPI_ISSR_ASSET_STR-SUBJECT sy-vline 
WA_BAPI_ISSR_ASSET_STR-CERTIFICATE_103 sy-vline 
WA_BAPI_ISSR_ASSET_STR-CERTIFICATE_674 sy-vline 
WA_BAPI_ISSR_ASSET_STR-CAPITAL_RES_SDIV sy-vline 
WA_BAPI_ISSR_ASSET_STR-ATTRIBUTE_LI01 sy-vline 
WA_BAPI_ISSR_ASSET_STR-ATTRIBUTE_LI02 sy-vline 
WA_BAPI_ISSR_ASSET_STR-ATTRIBUTE_LI03 sy-vline 
WA_BAPI_ISSR_ASSET_STR-ATTRIBUTE_LI04 sy-vline 
WA_BAPI_ISSR_ASSET_STR-ATTRIBUTE_LI05 sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.